1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.taglib.ui;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.util.MethodInvoker;
28  import com.liferay.portal.kernel.util.MethodWrapper;
29  import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
30  import com.liferay.portal.kernel.util.StringPool;
31  
32  import javax.servlet.jsp.JspException;
33  import javax.servlet.jsp.PageContext;
34  import javax.servlet.jsp.tagext.TagSupport;
35  
36  /**
37   * <a href="InputPermissionsParamsTag.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Brian Wing Shun Chan
40   * @author Jorge Ferrer
41   */
42  public class InputPermissionsParamsTag extends TagSupport {
43  
44      public static String doTag(
45              String modelName, PageContext pageContext)
46          throws Exception {
47  
48          Object returnObj = null;
49  
50          Thread currentThread = Thread.currentThread();
51  
52          ClassLoader contextClassLoader = currentThread.getContextClassLoader();
53  
54          try {
55              currentThread.setContextClassLoader(
56                  PortalClassLoaderUtil.getClassLoader());
57  
58              MethodWrapper methodWrapper = new MethodWrapper(
59                  _TAG_CLASS, _TAG_DO_END_METHOD,
60                  new Object[] {modelName, pageContext}
61              );
62  
63              returnObj = MethodInvoker.invoke(methodWrapper);
64          }
65          catch (Exception e) {
66              _log.error(e, e);
67          }
68          finally {
69              currentThread.setContextClassLoader(contextClassLoader);
70          }
71  
72          if (returnObj != null) {
73              return returnObj.toString();
74          }
75          else {
76              return StringPool.BLANK;
77          }
78      }
79  
80      public int doEndTag() throws JspException {
81          try {
82              doTag(_modelName, pageContext);
83          }
84          catch (Exception e) {
85              if (e instanceof JspException) {
86                  throw (JspException)e;
87              }
88              else {
89                  throw new JspException(e);
90              }
91          }
92  
93          return EVAL_PAGE;
94      }
95  
96      public void setModelName(String modelName) {
97          _modelName = modelName;
98      }
99  
100     private static final String _TAG_CLASS =
101         "com.liferay.portal.servlet.taglib.ui.InputPermissionsParamsTagUtil";
102 
103     private static final String _TAG_DO_END_METHOD = "doEndTag";
104 
105     private static Log _log = LogFactoryUtil.getLog(
106         InputPermissionsParamsTag.class);
107 
108     private String _modelName;
109 
110 }